Home / 14,947.72-22,383.30-12,476.40

Finding the Fourth Proportional to 14,947.72, 22,383.30 and 12,476.40

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Solution

The fourth proportional to 14,947.72, 22,383.30 and 12,476.40 is: 18,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.72 : 22,383.30 = 12,476.40 : x
  2. Step 2: Convert to fraction form
    14,947.72/22,383.30 = 12,476.40/x
  3. Step 3: Cross multiply
    14,947.72x = 22,383.30 × 12,476.40
  4. Step 4: Simplify right side
    14,947.72x = 279,263,004.12
  5. Step 5: Solve for x
    x = 279,263,004.12/14,947.72
  6. Step 6: Final answer
    x = 18,682.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.